BirdAnalyst
Species · Wyoming · BBS 2025 Release · 1966–2024

Song Sparrow Population Trend in Wyoming

All statesGeneralists

Song Sparrow in Wyoming has surged: up 137% on the route-weighted index since 1970.

+137%Since 1970
104Routes In State
56Years

Notable Song Sparrow Trends in Wyoming

long arc increasecomputed index

Song Sparrow has surged in Wyoming: up 137% on the route-weighted index since 1970.

Song Sparrow Population Forecast in Wyoming

If the recent trend holds, Song Sparrow in Wyoming is projected to stay roughly flat through 2029, near 3.4 (95% range 2.2–4.7). A 5-year backtest shows a typical error of ±26.5%, with 100% of held-out values landing inside the 95% band.

+9%Change by 2029
3.4Projected 2029 index
2.2–4.795% range
±26.5%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20253.32.04.5
20263.32.14.6
20273.42.14.6
20283.42.24.6
20293.42.24.7

Song Sparrow Survey Routes in Wyoming

Routes recording Song Sparrow in Wyoming.
Buckskin Mtn2720211980
Wilson2520241979
Boulder2020241983
Big Sandy2020241987
Pathfinder1820181983
Seedskadee 21820242024
Alpine1720241979
Fontenelle1420241982
Pine Tree1419951993
Soda Lake1320241981
Riverside1120241968
Mtn View1120241980
Green River1119821977
Meeteetse920241993
Cody820241983
Basin820241971
Seedskadee820231986
Nowood720241988
Lysite720241998
Warbonnet720241990
Horse Creek620241982
Sundance520241976
Dubois520241968
Yoder519711968
Dayton520241980

Song Sparrow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.